5.3 Evaluate and Write Expressions

How does 21 compare to 7? Write the number to describe the relationship. 21 is ___ times as many as 7.

Tags

CCSS.4.NBT.B.5

How does 21 compare to 3? Write the number to describe the relationship. 21 is ___ times as many as 3.

Tags

CCSS.4.NBT.B.5

In June, Lauren babysat and earned $20. By the end of August, she had 12 times that amount. Calculate how much money Lauren had at the end of August. Show your work.

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CCSS.4.OA.A.2

Kyle swam 4 laps in the pool on Monday and 6 times as many on Tuesday. Determine if the following statement is true or false: a. The expression 6 x 4 represents the number of laps Kyle swam on Tuesday.

• True

• False

Tags

CCSS.4.OA.A.1

Mrs. Altman's class recycled 72 water bottles in March. They recycled 4 1/2 times as many juice cans as water bottles. Calculate the total number of water bottles and juice cans they recycled in March. Show your work.

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CCSS.7.EE.B.3

The expression (1/2) * (4 + 8) represents the number of hours Ms. Nakos works the last week of school. Evaluate the expression to find the number of hours she works that week.

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CCSS.6.EE.A.2C

Each day, Theo walks his dog 15 minutes in the morning and 25 minutes in the afternoon. Evaluate the expression 7 x (15 + 25) to find how many minutes Theo walks his dog each week. Show your work.

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

Lin, Mac, and Starr spend $6 on supplies to set up a lemonade stand. They sell $21 worth of lemonade. They are going to share the money equally. Evaluate the expression (21 - 6) ÷ 3 to find how much money each one will make.

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CCSS.7.NS.A.3

Suppose you wrote a numerical expression for the phrase "20 minus the product of 5 and 2." To evaluate the expression, should you subtract or multiply first? Explain.

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

Write a numerical expression to represent "20 minus the product of 5 and 2." Then evaluate your expression.

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CCSS.5.OA.A.1

CCSS.5.OA.A.2